Geochimica et Cosmochimica Acta, 2004, V 68, N 2, 15 January.

1.   
 A lead isotope method for the accurate dating of disturbed geologic systems:
 numerical demonstrations, some applications and implications,
 Page 203 

2.   
 Silicon isotope compositions of dissolved silicon and suspended
 matter in the Yangtze River, China, 
 T. Ding, D. Wan, C. Wang and F. Zhang
 Pages 205-216 

3.   
 Apophyllite (001) surface alteration in aqueous solutions
 studied by HAFM, 
 Kirill Aldushin, Guntram Jordan, Werner Rammensee,
 Wolfgang W. Schmahl and Hans-Werner Becker
 Pages 217-226 

4.   
 Calculation of 29Si NMR shifts of silicate complexes with
 carbohydrates, amino acids, and muhicarboxylic acids:
 potential role in biological silica utilization, 
 Nita Sahai
 Pages 227-237 787 K) 
 
5.   
 Modeling the surface complexation of calcium at the rutile-water
 interface to 250°C, 
 Moira K. Ridley, Michael L. Machesky, David J. Wesolowski
 and Donald A. Palmer
 Pages 239-251 

6.   
 Controls by saturation state on etch pit formation during calcite
 dissolution, 
 H. Henry Teng
 Pages 253-262 

7.   
 Rare earth element geochemistry of Late Devonian reefal carbonates,
 Canning Basin, Western Australia: confirmation of a seawater REE
 proxy in ancient limestones, 
 Luke D. Nothdurft, Gregory E. Webb and Balz S. Kamber
 Pages 263-283 

8.   
 Dissolution rates of pure methane hydrate and carbon-dioxide hydrate
 in undersaturated seawater at 1000-m depth,
 Gregor Rehder, Stephen H. Kirby, William B. Durham, Laura A. Stern,
 Edward T. Peltzer, John Pinkston and Peter G. Brewer
 Pages 285-292

9.   
 Temporal change of 13C-isotope signatures and methanogenic
 pathways in rice field soil incubated anoxically at different
 temperatures, 
 Axel Fey, Peter Claus and Ralf Conrad
 Pages 293-306 

10.   
 The measurement of sulfate mineral solubilities in the
 Na-K-Ca-Cl-SO4-H2O system at temperatures of 100, 150 and 200°C, 
 Daniela Freyer and Wolfgang Voigt
 Pages 307-318

11.   
 Provenance ages and alteration histories of shales from the Middle
 Archean Buhwa greenstone belt, Zimbabwe: Nd and Pb isotopic evidence,  
 Eirik J. Krogstad, Christopher M. Fedo and Kenneth A. Eriksson
 Pages 319-332

12.   
 Experimental study of bubble coalescence in rhyolitic and phonolitic melts,  
 Jessica F. Larsen, Marie-Helene Denis and James E. Gardner
 Pages 333-344

13.   
 Length scales of mantle heterogeneities and their relationship to ocean
 island basalt geochemistry, 
 Tetsu Kogiso, Marc M. Hirschmann and Peter W. Reiners
  Pages 345-360 

14.   
 Mantle components in Iceland and adjacent ridges investigated
 using double-spike Pb isotope ratios,
 M. F. Thirlwall, M. A. M. Gee, R. N. Taylor and B. J. Murton
 Pages 361-386

15.   
 Solubilities of nitrogen and noble gases in silicate melts under various
 oxygen fugacities: implications for the origin and degassing history of 
 nitrogen and noble gases in the earth,
 Akiko Miyazaki, Hajime Hiyagon, Naoji Sugiura, Kei Hirose and Eiichi Takahashi
 Pages 387-401 

16.   
 Comment: Tooth Enamel Mineralization in Ungulates: Implications for
 Recovering a Primary Isotopic Time-Series, by B. H. Passey and
 T. E. Cerling (2002), 
 Matthew J. Kohn
 Pages 403-405

17.   
 Response to the comment by M. J. Kohn on "Tooth Enamel Mineralization
 in Ungulates: Implications for Recovering a Primary Isotopic Time-Series," 
 by B. H. Passey and T. E. Cerling (2002), 
 Benjamin H. Passey and Thure E. Cerling
 Pages 407-409